Home / 168,576.09-232,639.57-100,632.50

Finding the Fourth Proportional to 168,576.09, 232,639.57 and 100,632.50

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Solution

The fourth proportional to 168,576.09, 232,639.57 and 100,632.50 is: 138,875.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,576.09 : 232,639.57 = 100,632.50 : x
  2. Step 2: Convert to fraction form
    168,576.09/232,639.57 = 100,632.50/x
  3. Step 3: Cross multiply
    168,576.09x = 232,639.57 × 100,632.50
  4. Step 4: Simplify right side
    168,576.09x = 23,411,101,316.61
  5. Step 5: Solve for x
    x = 23,411,101,316.61/168,576.09
  6. Step 6: Final answer
    x = 138,875.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.